53917266 has 32 divisors (see below), whose sum is σ = 116988480. Its totient is φ = 16467264.

The previous prime is 53917261. The next prime is 53917273. The reversal of 53917266 is 66271935.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is not an unprimeable number, because it can be changed into a prime (53917261) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8356 + ... + 13328.

It is an arithmetic number, because the mean of its divisors is an integer number (3655890).

Almost surely, 2^53917266 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 53917266, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (58494240).

53917266 is an abundant number, since it is smaller than the sum of its proper divisors (63071214).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

53917266 is a wasteful number, since it uses less digits than its factorization.

53917266 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5130.

The product of its digits is 68040, while the sum is 39.

The square root of 53917266 is about 7342.8377348270. The cubic root of 53917266 is about 377.7831823974.

The spelling of 53917266 in words is "fifty-three million, nine hundred seventeen thousand, two hundred sixty-six".